Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William N Ong, DDS

Individual provider General Practice Dentistry · NPI 1851499966

Dr. William N Ong, DDS is a General Practice Dentistry in Daly City, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Practice location Address checks out

6740 Mission St
Daly City, CA 94014-2031
Phone: (650) 991-7397
Fax: (650) 991-7398
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 43382 (CA)

Record details

NPI number1851499966
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedSeptember 20, 2006
Last updated in NPPESJuly 11, 2019
Mailing address6740 Mission St, Daly City, CA 94014-2031

Other providers in Daly City